Dr. Barrios is a pioneer in the treatment of peritoneal metastases in Spain and in the world. He is the founder of the regional program for the treatment of peritoneal surface malignancies of Catalonia. He has more than 30 years of experience in the surgical treatment of abdominal cancers and is a Professor of Surgery and the University of Barcelona. He has lectured extensively on the surgical management of advanced abdominal malignancies both nationally and internationally.